The Yamaha RZ 350RR motorcycle, produced in 1985, was a two-stroke machine with a parallel twin cylinder engine and YPVS technology. Its compression ratio was 6.2:1 and it had an Autolube lubrication system. The bike featured 2x 26mm Mikuni slide-needle carburetors, a flywheel magneto CDI ignition, and kick-starting. It could produce a maximum power of 59hp @ 9000rpm and a maximum torque of 40.2Nm @ 8000rpm. The clutch was wet multiplate and the transmission had six speeds. The final drive was through a chain. The RZ 350RR had front suspension with 35mm telescopic forks with air assistance and variable damping, and rear suspension with rising rate rear Monocross and 5-way preload. The front brakes had 2x 260mm discs with two-piston calipers and the rear brakes had a single 260mm disc with one-piston caliper. The bike had 90/90-18 51H front and 110/80-18 58H rear tires. The fuel tank had a capacity of 17 liters or 4.5 US gallons. It had a dry weight of 141kg or 310.8lbs and a wet weight of 155kg or 341.7lbs. The bike had a top speed of 192.8 km/h or 119.8 mph, and it could go from 0 to 60mph in 12.4 seconds.
Technical specifications:
Make Model: Yamaha RD 350RR
| Year | 1985 |
|---|---|
| Engine | Two stroke, parallel twin cylinder, YPVS |
| Capacity | 347 cc / 21.1 cu-in |
| Bore x Stroke | 64 54 mm |
| Cooling System | Liquid cooled |
| Compression Ratio | 6.2:1 |
| Lubrication | Autolube |
| Induction | 2x 26mm Mikuni slide-needle carburetor |
| Ignition | Flywheel magneto CDI |
| Starting | Kick |
| Max Power | 59 hp / 43.9 kW @ 9000 rpm |
| Max Power Rear Tyre | 54.2 hp @ 9400 rpm |
| Max Torque | 40.2 Nm / 4.1 kgf-m / @ 8000 rpm |
| Clutch | Wet multiplate |
| Transmission | 6 Speed |
| Final Drive | Chain |
| Front Suspension | 35mm Telescopic forks air assistance and variable damping |
| Front Wheel Travel | 140 mm / 5.5 in |
| Rear Suspension | Rising rate Monocross 5-way preload |
| Rear Wheel Travel | 100 mm / 3.9 in |
| Front Brakes | 2x 260mm disc 2 piston calipers |
| Rear Brakes | Single 260mm disc 1 piston caliper |
| Front Tyre | 90/90-18 51H |
| Rear Tyre | 110/80-18 58H |
| Dimensions | Length 2095 mm / 82.4 in Width 700 mm / 27.5 in Height 1190 mm / 46.8 in |
| Wheelbase | 1385 mm / 54.5 in |
| Seat Height | 790 mm / 31.1 in |
| Ground Clearance | 165 mm / 6.4 in |
| Dry Weight | 141 kg / 310.8 lbs |
| Wet Weight | 155 kg / 341.7 lbs |
| Fuel Capacity | 17 Litres / 4.5 US gal |
| Consumption Average | 43 mpg |
| Braking 60 – 0 / 100 – 0 | 15.0 m / 40.1 m |
| Standing 1/4 Mile | 12.4 sec / 166.6 km/h |
| Top Speed | 192.8 km/h / 119.8 mph |
